functional cardiac murmur

• 机能性心杂音

functional cardiac murmur的用法和样例：

例句

1. If your child has an innocent murmur, alert your pediatrician during regular checkups.
   如果你的孩子属于无害性心杂音，在例行的体检中要提醒儿科医生。
2. If the valve is leaking blood back into the atrium, a murmur or whooshing sound can often be heard.
   如果瓣膜处血液回流，医生通常就会听到心杂音。